Spring Valley
Also known as Far North Dallas, Dallas Midtown, Galleria area, Spring Valley Road corridor, 75240, 75254, 75380, Valley View (historical), Addison (adjacent), Prestonwood (adjacent), Preston Hollow (adjacent)
ADU Pass helps homeowners in Spring Valley — a USPS locale inside Dallas, Dallas County, Texas — navigate the permit paperwork for building an accessory dwelling unit. This locale covers 2 ZIP codes.
Map
Locale-specific ADU details
Site (parcel physics)
Slope:
Soil:
Lot profile:
Geo-hazards:
Recent ADU permit activity
Utility capacity (upgrade likelihood)
Housing stock age:
Electric service drop:
Sewer lateral:
Water pressure:
Gas availability: available — Full gas service throughout Spring Valley via Atmos Energy Mid-Tex. Texas HB 17 (2021) prohibits Texas cities from adopting all-electric mandates; Dallas has no electrification ordinance.
Locale property values
Spring Valley sits roughly 1.8x the Dallas citywide residential median of $295K. Market character is mid-to-upper-middle Far North Dallas suburban, materially below neighboring Preston Hollow ($1.5M-$2.5M) and Prestonwood ($650K-$1.4M). The single-family ranch pockets (where ADU analysis matters) run $450K-$700K and tend to be 1960s-1970s brick construction on 8,000-12,000 sqft lots. Multifamily / condo parcels are the majority of the locale but are not ADU-relevant. Texas Residence Homestead 10% appraisal cap (Tax Code Sec. 23.23) limits year-over-year homestead assessment growth. Large stretches of Spring Valley are not owner-occupied single-family and therefore do not receive the homestead cap.
Locale market rent
| Sq ft | Rent |
|---|---|
| 400 | $1,125/mo |
| 600 | $1,380/mo |
| 800 | $1,675/mo |
Locale HOA prevalence
Spring Valley's HOA prevalence is materially lower than single-family Preston Hollow (~55%) or Prestonwood (~95%) because (1) the locale is mostly multifamily where condo-regime rules govern instead of HOAs, and (2) the single-family subdivisions that do exist are generally 1960s-1970s mid-century tracts without the active-HOA infrastructure that defines Preston Hollow subdivisions. Most Spring Valley single-family parcels with recorded deed restrictions have unenforced covenants or covenants that explicitly permit accessory structures with family-member occupancy.
Locale overlays (4)
- airport-noise-zone — Dallas Love Field AICUZ. Spring Valley sits ~7 miles north-northeast of Love Field and is generally outside the 65 dB DNL noise contour but may touch the 60 dB DNL contour on the locale's southern edge (along LBJ Freeway). DFW International Airport is ~13 miles west and the DFW noise contours do not reach the locale.
Not a practical construction constraint. Noise attenuation is not required by Dallas residential code outside the 65 dB contour. - flood-zone — Farmers Branch Creek and its tributaries flank portions of Spring Valley. FEMA-mapped Special Flood Hazard Areas (Zone AE) follow the creek corridors in narrow strips in the western portion of the locale toward the Dallas North Tollway. Most Spring Valley parcels sit on higher ground on the Austin Chalk upland and are Zone X. · +21d · +12% cost
Approximately 5-8% of Spring Valley parcels touch mapped SFHA along Farmers Branch Creek. Those parcels require elevation certificates, floodplain-ordinance compliance, and higher flood-insurance premiums. The Dallas Midtown parcel itself is partially in mapped floodplain and has required substantial stormwater-management work. - other — The Valley View-Galleria Area Plan (adopted by the Dallas City Council as part of ForwardDallas successor planning and supported by a Tax Increment Financing district) covers the core of the Spring Valley locale — roughly bounded by LBJ Freeway (I-635) on the south, Spring Valley Rd on the north, Preston Rd on the east, and the Dallas North Tollway on the west. The plan supports dense, walkable mixed-use redevelopment anchored on the former Valley View Mall site (now Dallas Midtown).
Not directly ADU-relevant. The Area Plan governs mixed-use, commercial, and multifamily redevelopment; it does not enable or constrain single-family ADUs. However, owners of the minority single-family parcels inside the Area Plan boundary should expect (a) ongoing adjacent construction noise and traffic during Dallas Midtown buildout (2026-2035), and (b) meaningful upward pressure on both land value and rent levels as the TIF-supported project delivers. - other — The majority of Spring Valley parcels are multifamily (MF-1, MF-2, MF-3), mixed-use (MU-1, MU-2, MU-3), commercial (CR, MC), or Planned Development District zoning rather than single-family. Sec. 51A-4.510 (the ADU framework) does NOT apply to these parcels — additional units follow base-district density and FAR caps instead. This is the single most important structural factor for Spring Valley ADU analysis: the majority of parcels are outside the ADU framework entirely.
Before any ADU design work on a Spring Valley parcel, the owner MUST confirm the base zoning is single-family (R-7.5(A), R-10(A), TH-1(A), or similar) via the Dallas GIS zoning viewer. If the parcel is MF-x, MU-x, CR, MC, or PD, the ADU framework does not apply and the parcel is either (a) already entitled for a denser residential configuration under its base zoning, or (b) regulated by a Planned Development District ordinance that sets its own use list.
Inherited from the city
These sections come from the city page. Click through to the Dallas ADU research for details.
- legal history
- size range
- permitting process & fees
- permit forms
- contacts
- utilities
- incentives
- viability
- resale value impact
- construction timeline
- pre-approved plans
- financing
- service complexity
Dallas — city ADU rules and incentives
ADU legality: unclear
Texas leaves ADU regulation to local municipalities under home-rule or Dillon-rule authority. Dallas permits ADUs subject to local conditions per its zoning ordinance.
City cost envelope
$117,300 all-in for a 525 sqft ADU (permit + build). Midpoint scenario.
Permit fee bundle: $2,905 (2026-04).
City viability (selected uses)
Dallas County — county ADU rules and overlays
County regulatory overlays
Dallas County's county-level overlays apply only inside its small unincorporated footprint (under 10% of county land, primarily southeastern Dallas County). The two material overlays at county scope are FEMA-mapped Special Flood Hazard Areas administered by Dallas County Public Works under the county's floodplain ordinance, and the countywide Trinity Common Vision Program governing floodplain management along the Trinity River corridor. Inside incorporated cities — where the vast majority of Dallas County residents and ADU-candidate parcels sit — overlay administration is a city function (e.g., the City of Dallas administers its own Escarpment Zone at Dallas Development Code Art. V and its own Floodplain regulations at Div. 51A-5.100). There is no countywide WUI / wildland-fire hazard overlay of the kind seen in California or Washington; North Texas's fire-hazard regime is ESD-by-ESD rather than a county-administered WUI zone.
- Dallas County Floodplain Management (FEMA NFIP participation) — A new ADU in a Zone AE parcel must be elevated to or above the Base Flood Elevation per the county ordinance and is generally not permitted as a basement or ground-floor sleeping space.
- Trinity Common Vision Program — Structures including ADUs proposed within the Common Vision corridor face stricter review than FEMA NFIP alone and may require a No-Rise Certificate from a Texas-licensed engineer.
- On-Site Sewage Facility (OSSF) jurisdiction — An ADU counts as an additional dwelling for OSSF sizing purposes, which can trigger system expansion on undersized lots and may be infeasible on very small unincorporated parcels.
County permitting (unincorporated parcels)
Dallas County regulates construction in unincorporated areas through the Department of Unincorporated Area Services (DUAS), in partnership with the Dallas County Fire Marshal's Office and Public Works. Because the county has no zoning authority (see countyOrdinance), DUAS does not restrict whether an ADU may be built — it regulates only subdivision/plat compliance, residential building-code inspection, on-site sewage (OSSF) compliance, floodplain compliance, 911 addressing, and nuisance abatement. A detached secondary dwelling on an unincorporated parcel is permitted as an ordinary residential structure through DUAS's building-permit pathway; there is no separate 'ADU permit' because there is no county use category for accessory dwellings. Unincorporated Dallas County comprises under 10% of county land area, primarily in the southeastern corner of the county. Most ADU activity in Dallas County occurs in incorporated cities (notably the City of Dallas ADU Overlay at Dallas Development Code Sec. 51A-4.510), which are governed by city-level permitting, not this section.
Texas state — ADU law and programs
State ADU law
Texas has NOT enacted a statewide ADU preemption or ADU-by-right statute. Local governments (municipalities and counties) retain full authority over ADU zoning, setbacks, parking, size limits, owner-occupancy, and permitting. Two recent housing-reform bills in the 89th Legislature (2025) touch density and zoning procedure but do NOT preempt ADU-specific local rules: SB 15 (Bettencourt, signed 2025-06-20, effective 2025-09-01) caps minimum single-family lot sizes in cities over 150,000 in counties over 300,000, and HB 24 (signed 2025-06-20, effective 2025-09-01) raises the protest petition threshold for zoning changes. A dedicated ADU-preemption bill — SB 673 (Hughes, 2025) — passed the Texas Senate on 2025-04-10 and was reported favorably by the House Land & Resource Management Committee on 2025-05-08, but died on the General State Calendar when the 89th Regular Session adjourned on 2025-06-02. In the absence of a state ADU statute, homeowners must consult the ordinance of the municipality (or the county's subdivision rules for unincorporated areas) where the lot sits.
- Texas SB 15 (89R, 2025) — Relating to size and density requirements for residential lots in certain municipalities; authorizing a fee — Prohibits municipalities of population greater than 150,000 located in counties of population greater than 300,000 from imposing minimum lot sizes greater than a specified threshold (3,000 sqft for certain residentially zoned subdivisions; lower for new subdivisions) and limits their authority over setbacks, parking, permeable-surface, and height on those lots. Not ADU-specific, but functionally expands the footprint of small-lot single-family housing in Austin, Dallas, Fort Worth, Houston, San Antonio, and other qualifying cities. Signed 2025-06-20; effective 2025-09-01.
- Texas HB 24 (89R, 2025) — Relating to procedures for changes to a zoning regulation or district boundary — Raises the protest-petition threshold for neighboring property owners who wish to trigger a supermajority city-council vote on a rezoning from 20% to 60%, and constrains the ability of a small minority to block citywide zoning updates. Not ADU-specific; affects the procedural posture of any city-wide ADU-enabling rezoning. Signed 2025-06-20; effective 2025-09-01.
State financing programs
Texas does not operate an ADU-specific statewide loan, grant, or forgivable-loan program comparable to California's CalHFA ADU Grant. The Texas Department of Housing and Community Affairs (TDHCA) administers the state's general housing finance programs — My First Texas Home, My Choice Texas Home, Mortgage Credit Certificates, multifamily Housing Tax Credits, the Homeowner Assistance Fund, and Housing Trust Fund awards. None target ADU construction directly, but several can apply to an ADU as part of a primary-residence purchase or refinance when program criteria are met. ADU-specific financing in Texas is primarily local: the City of Austin's ADU Loan Program (administered through Neighborhood Housing and Community Development) and a handful of smaller pilot programs are the most visible, but these sit at the city tier, not the state tier.
Federal (United States) — ADU-relevant rules and programs
Federal ADU law
The United States has no federal statute that directly regulates accessory dwelling unit entitlement or design. Land-use authority over ADUs resides with states and local governments under the traditional police power. Federal engagement is limited to financing (Fannie/Freddie/FHA/VA/USDA), flood insurance (FEMA/NFIP), and discretionary housing programs (HUD), which are recorded in sibling sections of this file.
Federal financing programs
Federal housing-finance agencies and GSEs set nationwide underwriting rules that govern whether an ADU can be financed, appraised, and counted toward mortgage qualifying income. The relevant actors are Fannie Mae, Freddie Mac, FHA (HUD), VA, and USDA Rural Development.
Federal tax credits
There is no ADU-specific federal tax credit. ADUs may incidentally qualify for existing federal energy-efficiency and clean-energy tax credits when the ADU construction includes qualifying measures.
Federal housing programs
HUD administers several discretionary programs that can fund ADU-related activity at the grantee's election, but none is an ADU-specific program.
ZIP Codes
- 75240
- 75254
Post Office
- 13770 Noel Rd, 75240